199795540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{203873}}^1$

素因数の和:203896

約数の個数: 36

約数和(自身を含む): 488074356

約数和(自身を除く): 288278816

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 203873, 407746, 815492, 1019365, 1427111, 2038730, 2854222, 4077460, 5708444, 7135555, 9989777, 14271110, 19979554, 28542220, 39959108, 49948885, 99897770, 199795540]

約数ペア:

[(1, 199795540), (2, 99897770), (4, 49948885), (5, 39959108), (7, 28542220), (10, 19979554), (14, 14271110), (20, 9989777), (28, 7135555), (35, 5708444), (49, 4077460), (70, 2854222), (98, 2038730), (140, 1427111), (196, 1019365), (245, 815492), (490, 407746), (980, 203873)]